EN 1.7231 Steel vs. Grade 36 Titanium
EN 1.7231 steel belongs to the iron alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is grade 36 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 11 to 12 | |
| 11 |
| Fatigue Strength, MPa | 360 to 500 | |
| 300 |
| Poisson's Ratio | 0.29 | |
| 0.36 |
| Shear Modulus, GPa | 73 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 930 | |
| 530 |
| Tensile Strength: Yield (Proof), MPa | 570 to 800 | |
| 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 2020 |
| Melting Onset (Solidus), °C | 1420 | |
| 1950 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 420 |
| Thermal Expansion, µm/m-K | 13 | |
| 8.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 58 |
| Embodied Energy, MJ/kg | 20 | |
| 920 |
| Embodied Water, L/kg | 51 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 100 | |
| 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 870 to 1700 | |
| 1260 |
| Stiffness to Weight: Axial, points | 13 | |
| 9.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 23 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 23 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 45 |
Alloy Composition
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| Carbon (C), % | 0.38 to 0.45 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0035 |
| Iron (Fe), % | 96.4 to 98.1 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 42 to 47 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.16 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 52.3 to 58 |
| Residuals, % | 0 | |
| 0 to 0.4 |